<template>
    <div id="home">
      <el-container>
        <el-header>Header</el-header>
        <el-container class="main">
          <el-aside width="200px"><el-row class="tac">
              <el-col :span="12">
                <h5>默认颜色</h5>
                <el-menu default-active="2" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose">
                  <el-submenu index="1">
                    <template slot="title">
                      <i class="el-icon-location"></i>
                      <span>导航一</span>
                    </template>
                    <el-menu-item-group>
                      <template slot="title">分组一</template>
                      <el-menu-item index="1-1">选项1</el-menu-item>
                      <el-menu-item index="1-2">选项2</el-menu-item>
                    </el-menu-item-group>
                    <el-menu-item-group title="分组2">
                      <el-menu-item index="1-3">选项3</el-menu-item>
                    </el-menu-item-group>
                    <el-submenu index="1-4">
                      <template slot="title">选项4</template>
                      <el-menu-item index="1-4-1">选项1</el-menu-item>
                    </el-submenu>
                  </el-submenu>
                  <el-menu-item index="2">
                    <i class="el-icon-menu"></i>
                    <span slot="title">导航二</span>
                  </el-menu-item>
                  <el-menu-item index="3" disabled>
                    <i class="el-icon-document"></i>
                    <span slot="title">导航三</span>
                  </el-menu-item>
                  <el-menu-item index="4">
                    <i class="el-icon-setting"></i>
                    <span slot="title">导航四</span>
                  </el-menu-item>
                </el-menu>
              </el-col>
            
            </el-row></el-aside>
          <el-main>Main</el-main>
        </el-container>
      </el-container>
    </div>
  </template>
  
  <script>
  export default {};
  </script>
  
  <style lang="less">
  #home {
    width: 100%;
    height: 100%;
    background-color: red;
  }
  
  .el-header,
  .el-footer {
    background-color: #B3C0D1;
    color: #333;
    text-align: center;
    line-height: 60px;
  }
  
  .el-aside {
    background-color: #D3DCE6;
    color: #333;
    text-align: center;
    // line-height: 200px;
  }
  
  .el-main {
    background-color: #E9EEF3;
    color: #333;
    text-align: center;
    // line-height: 160px;
  }
  
  body>.el-container {
    margin-bottom: 40px;
  }
  
  .el-container:nth-child(5) .el-aside,
  .el-container:nth-child(6) .el-aside {
    // line-height: 260px;
  }
  
  .el-container:nth-child(7) .el-aside {
    // line-height: 320px;
  }
  
  #home {
    height: 100%;
  }
  
  .el-container {
    height: 100%;
  }
  
  .el-header {
    // height:  ;
  }
  .el-col-12 {
      width: 100%;
  }
  </style>
  